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Queiroz GCDAD, Dias FCR, Torres SMD, Pereira MDF, Morais DB, Silva WED, Silva Junior VAD. Bioconjugate based on cisplatin and bacterial exopolysaccharide with reduced side effects: A novel proposal for cancer treatment. J Trace Elem Med Biol 2024; 83:127374. [PMID: 38266419 DOI: 10.1016/j.jtemb.2023.127374] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/17/2023] [Revised: 12/12/2023] [Accepted: 12/20/2023] [Indexed: 01/26/2024]
Abstract
BACKGROUND In the search for alternatives that attenuate the toxicity associated to oncologic treatment with cisplatin (CDDP) and considering the potential health-beneficial properties of exopolysaccharides (EPS) produced by lactic acid bacteria, it was aimed on this study to evaluate the cytotoxic, toxicologic and antitumoral efficacy of a bioconjugate based on CDDP and EPS, on the experimental tumor of sarcoma 180. METHODS After the synthesis of the cis-[Pt(NH3)2(Cl)2] complex and of the conjugate containing Lactobacillus fermentum exopolysaccharide was tested both in vitro and in vivo for evaluating the acute toxicity. RESULTS The antitumoral study was performed using mice transplanted with sarcoma 180. The bioconjugate showed low to medium cytotoxicity for the cell lines tested, as well moderated acute toxicity. After determining the LD50, the following experimental groups were established for the antitumor assay: Control (NaCl 0,9%), CDDP (1 mg/kg), EPS and bioconjugate composition (200 mg/kg). The bioconjugate promoted a 38% regression in tumor mass when compared to the control, and a regression of 41% when compared to CDDP. Liver histopathological analysis revealed discrete alterations in animals treated with (CDDP + EPS) when compared to control. The bioconjugate also minimized changes in the renal parenchyma resulting from the tumor. CONCLUSION Our results indicate that when CDDP is associated with EPS, this composition was more biocompatible, showing itself as a potent chemotherapeutic agent and lower tissue toxicity.
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Affiliation(s)
- Gian Carlo D Angelo de Queiroz
- Programa de Pós-Graduação em Desenvolvimento e Inovação Tecnológica em Medicamentos, Universidade Federal Rural de Pernambuco, UFRPE, Recife, PE, Brazil
| | - Fernanda Carolina Ribeiro Dias
- Departamento de Medicina Veterinária, Universidade Federal Rural de Pernambuco, UFRPE, Recife, PE, Brazil; Department of Structural Biology, Federal University of Triangulo Mineiro, UFTM, Uberaba, MG, Brazil.
| | - Sandra Maria de Torres
- Departamento de Medicina Veterinária, Universidade Federal Rural de Pernambuco, UFRPE, Recife, PE, Brazil
| | | | - Danielle Barbosa Morais
- Departamento de Morfologia, Universidade Federal do Rio Grande do Norte, UFRN, Natal, RN, Brazil
| | - Wagner Eduardo da Silva
- Departamento de Química, Universidade Federal Rural de Pernambuco, UFRPE, Recife, PE, Brazil
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Zhang XT, Zhang X, Wang MW, Zhang C, Weng R, Xu X, Gu ZX, Gao JP. Multiple organs injury and myocardial energy metabolism disorders induced by isoproterenol. Toxicology 2024; 503:153752. [PMID: 38369011 DOI: 10.1016/j.tox.2024.153752] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2023] [Revised: 01/28/2024] [Accepted: 02/10/2024] [Indexed: 02/20/2024]
Abstract
The study sought to assess the detrimental effects of isoproterenol (ISO) on major organs and investigate the potential reversibility of these adverse reactions in mice. Male mice were divided into normal control, 0.2 mg/kg.d and 3.0 mg/kg.d ISO groups, and were subcutaneously administered of the respective doses for 14 consecutive days. Subsequently, a recovery period experiment was conducted, replicating the aforementioned procedure, followed by an additional 2-week recovery period for the mice. Following 14 consecutive days of administration, mice treated with ISO exhibited notable cardiac damage manifested by abnormal ECG patterns, dysregulated energy metabolism, elevated cardiac hypertrophy, and increased heart pathological score. Additionally, the administration of ISO resulted in liver and kidney damage, as evidenced by increased pathological score, serum albumin level, and urea level. Lung damage was also observed, indicated by an increase in lung pathological score. Furthermore, the administration of ISO at a dosage of 3.0 mg/kg.d resulted in a decrease in liver mass index, serum iron content, and an increase in lung mass index. After a 2-week recovery period, mice treated with ISO showed abnormalities in ECG patterns and dysregulated myocardial energy metabolism, accompanied by a decrease in serum iron content. Histopathological examinations revealed continued pathological changes in the heart and lung, as well as significant hemosiderin deposition in the spleen. Furthermore, the group treated with ISO at a dosage of 3.0 mg/kg.d showed an increase in serum AST and TP levels. In summary, the study demonstrates that both 0.2 mg/kg.d and 3.0 mg/kg.d doses of ISO can induce damage to the heart, liver, lung, kidney, and spleen, with the higher dose causing more severe injuries. After a 2-week withdrawal period, the liver, kidney, and thymus injuries caused by 0.2 mg/kg ISO shows signs of recovery, while damage to the heart, lung, and spleen persists. The thymus injury mostly recovers, with minimal kidney pathology, but significant damage to the heart, liver, and lung remains even after the withdrawal period for the 3.0 mg/kg ISO dose.
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Affiliation(s)
- Xiao-Ting Zhang
- School of Pharmacy, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Xu Zhang
- School of Pharmacy, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Meng-Wei Wang
- School of Chemical and Environmental Engineering, Shanghai Institute of Technology, Shanghai 201418, China
| | - Chen Zhang
- School of Basic Medical Sciences, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Rui Weng
- School of Pharmacy, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Xu Xu
- School of Chemical and Environmental Engineering, Shanghai Institute of Technology, Shanghai 201418, China
| | - Zu-Xi Gu
- School of Experimental Center of Science and Technology, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China.
| | - Jian-Ping Gao
- School of Pharmacy, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China.
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3
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Vu TT, Kim K, Manna M, Thomas J, Remaily BC, Montgomery EJ, Costa T, Granchie L, Xie Z, Guo Y, Chen M, Castillo AMM, Kulp SK, Mo X, Nimmagadda S, Gregorevic P, Owen DH, Ganesan LP, Mace TA, Coss CC, Phelps MA. Decoupling FcRn and tumor contributions to elevated immune checkpoint inhibitor clearance in cancer cachexia. Pharmacol Res 2024; 199:107048. [PMID: 38145833 PMCID: PMC10798214 DOI: 10.1016/j.phrs.2023.107048] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Revised: 12/21/2023] [Accepted: 12/22/2023] [Indexed: 12/27/2023]
Abstract
High baseline clearance of immune checkpoint inhibitors (ICIs), independent of dose or systemic exposure, is associated with cachexia and poor outcomes in cancer patients. Mechanisms linking ICI clearance, cachexia and ICI therapy failure are unknown. Here, we evaluate in four murine models and across multiple antibodies whether altered baseline catabolic clearance of administered antibody requires a tumor and/or cachexia and whether medical reversal of cachexia phenotype can alleviate altered clearance. Key findings include mild cachexia phenotype and lack of elevated pembrolizumab clearance in the MC38 tumor-bearing model. We also observed severe cachexia and decreased, instead of increased, baseline pembrolizumab clearance in the tumor-free cisplatin-induced cachexia model. Liver Fcgrt expression correlated with altered baseline catabolic clearance, though elevated clearance was still observed with antibodies having no (human IgA) or reduced (human H310Q IgG1) FcRn binding. We conclude cachexia phenotype coincides with altered antibody clearance, though tumor presence is neither sufficient nor necessary for altered clearance in immunocompetent mice. Magnitude and direction of clearance alteration correlated with hepatic Fcgrt, suggesting changes in FcRn expression and/or recycling function may be partially responsible, though factors beyond FcRn also contribute to altered clearance in cachexia.
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Affiliation(s)
- Trang T Vu
- Division of Pharmaceutics and Pharmacology, College of Pharmacy, The Ohio State University, Columbus, OH, USA
| | - Kyeongmin Kim
- Division of Pharmaceutics and Pharmacology, College of Pharmacy, The Ohio State University, Columbus, OH, USA
| | - Millennium Manna
- Division of Pharmaceutics and Pharmacology, College of Pharmacy, The Ohio State University, Columbus, OH, USA
| | - Justin Thomas
- Division of Pharmaceutics and Pharmacology, College of Pharmacy, The Ohio State University, Columbus, OH, USA
| | - Bryan C Remaily
- Division of Pharmaceutics and Pharmacology, College of Pharmacy, The Ohio State University, Columbus, OH, USA
| | - Emma J Montgomery
- Division of Pharmaceutics and Pharmacology, College of Pharmacy, The Ohio State University, Columbus, OH, USA
| | - Travis Costa
- Department of Biomedical Engineering, College of Engineering, The Ohio State University, Columbus, OH, USA
| | - Lauren Granchie
- Division of Pharmaceutics and Pharmacology, College of Pharmacy, The Ohio State University, Columbus, OH, USA
| | - Zhiliang Xie
- Division of Pharmaceutics and Pharmacology, College of Pharmacy, The Ohio State University, Columbus, OH, USA
| | - Yizhen Guo
- Division of Pharmaceutics and Pharmacology, College of Pharmacy, The Ohio State University, Columbus, OH, USA
| | - Min Chen
- Division of Pharmaceutics and Pharmacology, College of Pharmacy, The Ohio State University, Columbus, OH, USA
| | - Alyssa Marie M Castillo
- Division of Pharmaceutics and Pharmacology, College of Pharmacy, The Ohio State University, Columbus, OH, USA
| | - Samuel K Kulp
- Division of Pharmaceutics and Pharmacology, College of Pharmacy, The Ohio State University, Columbus, OH, USA
| | - Xiaokui Mo
- Center for Biostatistics, Ohio State University, Columbus, OH, USA; Pelotonia Institute for Immuno-Oncology, OSUCCC - James, The Ohio State University, Columbus, OH , USA
| | - Sridhar Nimmagadda
- Russell H. Morgan Department of Radiology and Radiological Science, The Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Paul Gregorevic
- Department of Anatomy & Physiology and Centre for Muscle Research, The University of Melbourne, Parkville, VIC, Australia
| | - Dwight H Owen
- Pelotonia Institute for Immuno-Oncology, OSUCCC - James, The Ohio State University, Columbus, OH , USA; The James Comprehensive Cancer Center, The Ohio State University, Columbus, OH, USA; Division of Medical Oncology, Department of Internal Medicine, The Ohio State University, Columbus, OH, USA
| | - Latha P Ganesan
- Division of Rheumatology and Immunology, Department of Internal Medicine, The Ohio State University, Columbus, OH, USA
| | - Thomas A Mace
- Pelotonia Institute for Immuno-Oncology, OSUCCC - James, The Ohio State University, Columbus, OH , USA; The James Comprehensive Cancer Center, The Ohio State University, Columbus, OH, USA; Division of Gastroenterology, Hepatology and Nutrition, Department of Internal Medicine, The Ohio State University, Columbus, OH, USA
| | - Christopher C Coss
- Division of Pharmaceutics and Pharmacology, College of Pharmacy, The Ohio State University, Columbus, OH, USA; The James Comprehensive Cancer Center, The Ohio State University, Columbus, OH, USA.
| | - Mitch A Phelps
- Division of Pharmaceutics and Pharmacology, College of Pharmacy, The Ohio State University, Columbus, OH, USA; Pelotonia Institute for Immuno-Oncology, OSUCCC - James, The Ohio State University, Columbus, OH , USA; The James Comprehensive Cancer Center, The Ohio State University, Columbus, OH, USA.
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Liatsou I, Josefsson A, Yu J, Li Z, Davis K, Brayton C, Wang H, Hobbs RF, Sgouros G. Early Normal Tissue Effects and Bone Marrow Relative Biological Effectiveness for an Actinium 225-Labeled HER2/neu-Targeting Antibody. Int J Radiat Oncol Biol Phys 2023; 117:1028-1037. [PMID: 37331568 DOI: 10.1016/j.ijrobp.2023.06.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Revised: 05/16/2023] [Accepted: 06/11/2023] [Indexed: 06/20/2023]
Abstract
PURPOSE In this study we determined the dose-independent relative biological effectiveness (RBE2) of bone marrow for an anti-HER2/neu antibody labeled with the alpha-particle emitter actinium 225 (225Ac). Hematologic toxicity is often a consequence of radiopharmaceutical therapy (RPT) administration, and dosimetric guidance to the bone marrow is required to limit toxicity. METHODS AND MATERIALS Female neu/N transgenic mice (MMTV-neu) were intravenously injected with 0 to 16.65 kBq of the alpha-particle emitter labeled antibody, 225Ac-DOTA-7.16.4, and euthanized at 1 to 9 days after treatment. Complete blood counts were performed. Femurs and tibias were collected, and bone marrow was isolated from 1 femur and tibia and counted for radioactivity. Contralateral intact femurs were fixed, decalcified, and assessed by histology. Marrow cellularity was the biologic endpoint selected for RBE2 determination. For the reference radiation, both femurs of the mice were photon irradiated with 0 to 5 Gy using a small animal radiation research platform. RESULTS Response as measured by cellularity for the alpha-particle emitter RPT (αRPT) RPT and the external beam radiation therapy were linear and linear quadratic, respectively, as a function of absorbed dose. The resulting dose-independent RBE2 for bone marrow was 6. CONCLUSIONS As αRPT gains prominence, preclinical studies evaluating RBE in vivo will be important in relating to human experience with beta-particle emitter RPT. Such normal tissue RBE evaluations will help mitigate unexpected toxicity in αRPT.
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Affiliation(s)
- Ioanna Liatsou
- Russell H. Morgan Department of Radiology and Radiological Science, Johns Hopkins University School of Medicine, Baltimore, Maryland.
| | - Anders Josefsson
- Department of Radiology, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Jing Yu
- Russell H. Morgan Department of Radiology and Radiological Science, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Zhi Li
- Russell H. Morgan Department of Radiology and Radiological Science, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Kaori Davis
- Department of Molecular and Comparative Pathobiology, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Cory Brayton
- Department of Molecular and Comparative Pathobiology, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Hao Wang
- Department of Oncology, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Robert F Hobbs
- Department of Radiation Oncology and Molecular Radiation Sciences, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - George Sgouros
- Russell H. Morgan Department of Radiology and Radiological Science, Johns Hopkins University School of Medicine, Baltimore, Maryland
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Kontoghiorghes GJ. Iron Load Toxicity in Medicine: From Molecular and Cellular Aspects to Clinical Implications. Int J Mol Sci 2023; 24:12928. [PMID: 37629109 PMCID: PMC10454416 DOI: 10.3390/ijms241612928] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2023] [Revised: 08/12/2023] [Accepted: 08/15/2023] [Indexed: 08/27/2023] Open
Abstract
Iron is essential for all organisms and cells. Diseases of iron imbalance affect billions of patients, including those with iron overload and other forms of iron toxicity. Excess iron load is an adverse prognostic factor for all diseases and can cause serious organ damage and fatalities following chronic red blood cell transfusions in patients of many conditions, including hemoglobinopathies, myelodyspasia, and hematopoietic stem cell transplantation. Similar toxicity of excess body iron load but at a slower rate of disease progression is found in idiopathic haemochromatosis patients. Excess iron deposition in different regions of the brain with suspected toxicity has been identified by MRI T2* and similar methods in many neurodegenerative diseases, including Alzheimer's disease and Parkinson's disease. Based on its role as the major biological catalyst of free radical reactions and the Fenton reaction, iron has also been implicated in all diseases associated with free radical pathology and tissue damage. Furthermore, the recent discovery of ferroptosis, which is a cell death program based on free radical generation by iron and cell membrane lipid oxidation, sparked thousands of investigations and the association of iron with cardiac, kidney, liver, and many other diseases, including cancer and infections. The toxicity implications of iron in a labile, non-protein bound form and its complexes with dietary molecules such as vitamin C and drugs such as doxorubicin and other xenobiotic molecules in relation to carcinogenesis and other forms of toxicity are also discussed. In each case and form of iron toxicity, the mechanistic insights, diagnostic criteria, and molecular interactions are essential for the design of new and effective therapeutic interventions and of future targeted therapeutic strategies. In particular, this approach has been successful for the treatment of most iron loading conditions and especially for the transition of thalassemia from a fatal to a chronic disease due to new therapeutic protocols resulting in the complete elimination of iron overload and of iron toxicity.
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Affiliation(s)
- George J Kontoghiorghes
- Postgraduate Research Institute of Science, Technology, Environment and Medicine, 3, Ammochostou Street, Limassol 3021, Cyprus
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6
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Bou-Samra P, Chang A, Arambepola S, Guo E, Azari F, Kennedy G, Segil A, Singhal S. Preclinical Lymph Node Model for Intraoperative Molecular Imaging of Cancer. RESEARCH SQUARE 2023:rs.3.rs-2953015. [PMID: 37398120 PMCID: PMC10312951 DOI: 10.21203/rs.3.rs-2953015/v1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/04/2023]
Abstract
Purpose Lymph node(LN) dissection is part of most oncologic resections. Intraoperatively identifying a positive LN(+ LN), that harbors malignant cells, can be challenging. We hypothesized that intraoperative molecular imaging(IMI) using a cancer-targeted fluorescent prober can identify + LNs. This study aimed to develop a preclinical model of a + LN and test it using an activatable cathepsin-based enzymatic probe, VGT-309. Procedures In the first model, we used peripheral blood mononuclear cells (PBMC), representing the lymphocytic composition of the LN, mixed with different concentrations of human lung adenocarcinoma cell line A549. Then, they were embedded in a Matrigel® matrix. A black dye was added to mimic LN anthracosis. Model two was created using a murine spleen, the largest lymphoid organ, injected with various concentrations of A549. To test these models, we co-cultured A549 cells with VGT-309. Mean fluorescence intensity(MFI) was. An independent sample t-test was used to compare the average MFI of each A549:negative control ratio. Results A significant difference in MFI from our PBMC control was noted when A549 cells were 25% of the LN (p = 0.046) in both 3D cell aggregate models-where the LNs native parenchyma is replaced and the one where the tumor grows over the native parenchyma. For the anthracitic equivalents of these models, the first significant MFI compared to the control was when A549 cells were 9% of the LN (p = 0.002) in the former model, and 16.7% of the LN (p = 0.033) in the latter. In our spleen model, we first noted significance in MFI when A549 cells were 16.67% of the cellular composition.(p = 0.02). Conclusions A + LN model allows for a granular evaluation of different cellular burdens in + LN that can be assessed using IMI. This first exvivo + LN model can be used in preclinical testing of several existing dyes and in creating more sensitive cameras for IMI-guided LN detection.
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Affiliation(s)
| | - Austin Chang
- University of Pennsylvania Perelman School of Medicine
| | | | - Emily Guo
- University of Pennsylvania Perelman School of Medicine
| | - Feredun Azari
- University of Pennsylvania Perelman School of Medicine
| | | | - Alix Segil
- University of Pennsylvania Perelman School of Medicine
| | - Sunil Singhal
- University of Pennsylvania Perelman School of Medicine
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Emam MA, Farouk SM, Aljazzar A, Abdelhameed AA, Eldeeb AA, Gad FAM. Curcumin and cinnamon mitigates lead acetate-induced oxidative damage in the spleen of rats. Front Pharmacol 2023; 13:1072760. [PMID: 36726787 PMCID: PMC9885216 DOI: 10.3389/fphar.2022.1072760] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Accepted: 12/28/2022] [Indexed: 01/18/2023] Open
Abstract
Lead toxicity is a common occupational and environmental health hazard that exerts many toxic effects on animals and humans, including immunotoxicity. Curcumin (CUR) and cinnamon (CIN) are common medicinal herbs with immunostimulatory and antioxidant properties. Therefore, this study investigated the protective effect of curcumin and cinnamon against lead acetate (LA)-induced splenotoxicity in rats via hemato-biochemical, immunological, oxidative stress marker, CYP-2E1 expression, histological, and immunohistological evaluations. Four groups of seven rats each were used: the control group received corn oil as a vehicle; the lead acetate group received (100 mg/kg), the CUR + LA group received curcumin (400 mg/kg) plus lead acetate, and the CIN + LA group received cinnamon (200 mg/kg) plus lead acetate orally for 1 month. LA exposure induced macrocytic hypochromic anemia, leukocytosis, neutrophilia, monocytosis, and lymphopenia. Additionally, significant elevations in serum iron, ferritin levels, and transferrin saturation percentage with significant decline of total and unsaturated iron binding capacities (TIBC and UIBC), transferrin, and immunoglobulin G and M levels were recorded. In addition, lead acetate significantly upregulated splenic CYP-2E1 expression, that was evident by significant depletion of reduced glutathione (GSH) activity and elevation of malondihyde (MDA), nitric oxide (NO), and protein carbonyl (PC) concentrations in the spleen. Histologically, hyperplasia of lymphoid follicles, hemosiderin deposition, and disturbance of CD3 and CD68 immuno-expressions were evident in the spleen from the lead acetate group. However, curcumin and cinnamon administration restored the hemato-biochemical, immunological, and oxidative stress parameters as well as histological and immunohistological pictures toward normalcy. In conclusion, curcumin and cinnamon can partially ameliorate LA-induced oxidative damage in the spleen, possibly through their antioxidant, immunomodulatory, and gene-regulating activities.
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Affiliation(s)
- Mahmoud Abdelghaffar Emam
- Histology Department, Faculty of Veterinary Medicine, Benha University, Benha, Egypt,*Correspondence: Mahmoud Abdelghaffar Emam,
| | - Sameh Mohamed Farouk
- Cytology and Histology Department, Faculty of Veterinary Medicine, Suez Canal University, Ismailia, Egypt
| | - Ahmed Aljazzar
- Pathology Department, Collage of Veterinary Medicine, King Faisal University, Al-Hofuf, Saudi Arabia
| | - Abeer A. Abdelhameed
- Clinical Pharmacology Department, Faculty of Medicine, Benha University, Benha, Egypt
| | - Abeer A. Eldeeb
- Clinical Pharmacology Department, Faculty of Medicine, Benha University, Benha, Egypt
| | - Fatma Abdel-monem Gad
- Clinical Pathology Department, Faculty of Veterinary Medicine, Benha University, Benha, Egypt
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Jing R, He S, Liao XT, Xie XL, Mo JL, Hu ZK, Dai HJ, Pan LH. Transforming growth factor-β1 attenuates inflammation and lung injury with regulating immune function in ventilator-induced lung injury mice. Int Immunopharmacol 2023; 114:109462. [PMID: 36476487 DOI: 10.1016/j.intimp.2022.109462] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Revised: 10/27/2022] [Accepted: 11/12/2022] [Indexed: 12/12/2022]
Abstract
Ventilator-induced lung injury (VILI) is a lung injury induced or aggravated by mechanical ventilation. Transforming growth factor (TGF)-β1 is a cytokine that mediates immune function, enabling inflammatory attenuation and tissue repair. Here, we hypothesized that it plays an important role in the attenuation of VILI and inflammation. Ventilation with high tidal volume was performed on C57BL/6 mice to establish a VILI model. After 4 h of ventilation, mice were sacrificed (end of ventilation [EOV]) or extubated for resuscitation at 4 h (post-ventilation 4 h [PV4h]), 8 h (PV8h) and 24 h post-ventilation (PV1d). Recombinant mouse TGF-β1 (rTGF-β1) and the neutralization antibody of TGF-β1 (nTAb) were used in vivo to examine the effect of TGF-β1 on immune function and inflammatory attenuation in VILI mice. Lung injury was exacerbated at the same trend as the interleukin (IL)-1β level, peaking at PV1d, whereas IL-6 and tumor necrosis factor (TNF)-α levels gradually reduced. Most active phagosomes, swollen round mitochondria, and cavitating lamellar bodies were observed at PV4h. The CD4+ T cells were significantly increased from PV4h to PV1d, and the CD8a + T cells were higher in the PV4h and PV1d groups; furthermore, the mice in the PV8h group showed highest proportion of CD4+CD8a+ T cells and CD4+/CD8a+ ratio. CD19 + and CD5 + CD19 + B cells in VILI mice began to increase at PV1d. The pulmonary expression of latent and monomer TGF-β1 increased at PV4h and PV8h. Treatment of rTGF-β1 only induced high expression of latent and monomer TGF-β1 at EOV to decrease pulmonary levels of IL-1β, IL-6, and TNF-α; however, lung injury attenuated from EOV to PV1d. TGF-β1 induced the delayed elevation of CD4+/CD8a+ T cells ratio and activation of pulmonary CD4+CD8a+ double-positive T cells under certain conditions. Elastic fibers and celluloses, although relatively less proteoglycan, were observed with the overexpression of TGF-β1 at PV4h and PV8h. In conclusion, TGF-β1 attenuates the inflammatory response and lung injury of VILI via immune function regulation.
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Affiliation(s)
- Ren Jing
- Department of Anesthesiology, Guangxi Medical University Cancer Hospital, Nanning, China; Guangxi Engineering Research Center for Tissue & Organ Injury and Repair Medicine, Nanning, China; Guangxi Key Laboratory for Basic Science and Prevention of Perioperative Organ Dysfunction, Nanning, China; Guangxi Clinical Research Center for Anesthesiology, Nanning, China
| | - Sheng He
- Department of Anesthesiology, Guangxi Medical University Cancer Hospital, Nanning, China; Guangxi Engineering Research Center for Tissue & Organ Injury and Repair Medicine, Nanning, China; Guangxi Key Laboratory for Basic Science and Prevention of Perioperative Organ Dysfunction, Nanning, China; Guangxi Clinical Research Center for Anesthesiology, Nanning, China
| | - Xiao-Ting Liao
- Department of Anesthesiology, Guangxi Medical University Cancer Hospital, Nanning, China; Guangxi Engineering Research Center for Tissue & Organ Injury and Repair Medicine, Nanning, China; Guangxi Key Laboratory for Basic Science and Prevention of Perioperative Organ Dysfunction, Nanning, China; Guangxi Clinical Research Center for Anesthesiology, Nanning, China
| | - Xian-Long Xie
- Department of Anesthesiology, Guangxi Medical University Cancer Hospital, Nanning, China; Guangxi Engineering Research Center for Tissue & Organ Injury and Repair Medicine, Nanning, China; Guangxi Key Laboratory for Basic Science and Prevention of Perioperative Organ Dysfunction, Nanning, China; Guangxi Clinical Research Center for Anesthesiology, Nanning, China; Department of Intensive Care Unit, Guangxi Medical University Cancer Hospital, Nanning, China
| | - Jian-Lan Mo
- Department of Anesthesiology, Guangxi Medical University Cancer Hospital, Nanning, China; Guangxi Engineering Research Center for Tissue & Organ Injury and Repair Medicine, Nanning, China; Guangxi Key Laboratory for Basic Science and Prevention of Perioperative Organ Dysfunction, Nanning, China; Guangxi Clinical Research Center for Anesthesiology, Nanning, China
| | - Zhao-Kun Hu
- Department of Anesthesiology, Guangxi Medical University Cancer Hospital, Nanning, China; Guangxi Engineering Research Center for Tissue & Organ Injury and Repair Medicine, Nanning, China; Guangxi Key Laboratory for Basic Science and Prevention of Perioperative Organ Dysfunction, Nanning, China; Guangxi Clinical Research Center for Anesthesiology, Nanning, China
| | - Hui-Jun Dai
- Department of Anesthesiology, Guangxi Medical University Cancer Hospital, Nanning, China; Guangxi Engineering Research Center for Tissue & Organ Injury and Repair Medicine, Nanning, China; Guangxi Key Laboratory for Basic Science and Prevention of Perioperative Organ Dysfunction, Nanning, China; Guangxi Clinical Research Center for Anesthesiology, Nanning, China
| | - Ling-Hui Pan
- Department of Anesthesiology, Guangxi Medical University Cancer Hospital, Nanning, China; Guangxi Engineering Research Center for Tissue & Organ Injury and Repair Medicine, Nanning, China; Guangxi Key Laboratory for Basic Science and Prevention of Perioperative Organ Dysfunction, Nanning, China; Guangxi Clinical Research Center for Anesthesiology, Nanning, China.
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Avgustinovich D, Kizimenko A, Marenina M, Lvova M, Kovner A, Orlovskaya I, Toporkova L, Goiman E, Tsyganov M, Ponomarev D. Prolonged liver fluke infection combined with alcoholization: An experimental mouse model. Exp Parasitol 2022; 242:108399. [DOI: 10.1016/j.exppara.2022.108399] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2021] [Revised: 09/20/2022] [Accepted: 10/02/2022] [Indexed: 11/17/2022]
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10
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Mulcrone PL, Zhang J, Pride PM, Lam AK, Frabutt DA, Ball-Kell SM, Xiao W. Genomic Designs of rAAVs Contribute to Pathological Changes in the Livers and Spleens of Mice. ADVANCES IN CELL AND GENE THERAPY 2022; 2022:6807904. [PMID: 36507314 PMCID: PMC9730939 DOI: 10.1155/2022/6807904] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/15/2023]
Abstract
Recombinant AAV (rAAV) gene therapy is being investigated as an effective therapy for several diseases including hemophilia B. Reports of liver tumor development in certain mouse models due to AAV treatment and genomic integration of the rAAV vector has raised concerns about the long-term safety and efficacy of this gene therapy. To investigate whether rAAV treatment causes cancer, we utilized two mouse models, inbred C57BL/6 and hemophilia B Balb/C mice (HemB), to test if injecting a high dose of various rAAV8 vectors containing or lacking hFIX transgene, a Poly-A sequence, or the CB or TTR promoter triggered liver fibrosis and/or cancer development over the course of the 6.5-month study. We observed no liver tumors in either mouse cohort regardless of rAAV treatment through ultrasound imaging, gross anatomical assessment at sacrifice, and histology. We did, however, detect differences in collagen deposition in C57BL/6 livers and HemB spleens of rAAV-injected mice. Pathology reports of the HemB mice revealed many pathological phenomena, including fibrosis and inflammation in the livers and spleens across different AAV-injected HemB mice. Mice from both cohorts injected with the TTR-hFIX vector demonstrated minimal adverse events. While not tumorigenic, high dose of rAAVs, especially those with incomplete genomes, can influence liver and spleen health negatively that could be problematic for cementing AAVs as a broad therapeutic option in the clinic.
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Affiliation(s)
- Patrick L. Mulcrone
- Herman B Wells Center for Pediatric Research, Indiana University, USA
- Department of Pediatrics, Indiana University, USA
| | - Junping Zhang
- Herman B Wells Center for Pediatric Research, Indiana University, USA
- Department of Pediatrics, Indiana University, USA
| | - P. Melanie Pride
- Herman B Wells Center for Pediatric Research, Indiana University, USA
| | - Anh K. Lam
- Herman B Wells Center for Pediatric Research, Indiana University, USA
- Department of Pediatrics, Indiana University, USA
| | - Dylan A. Frabutt
- Herman B Wells Center for Pediatric Research, Indiana University, USA
- Department of Microbiology & Immunology, Indiana University, Indianapolis, IN, USA
| | | | - Weidong Xiao
- Herman B Wells Center for Pediatric Research, Indiana University, USA
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Bortolussi G, Shi X, ten Bloemendaal L, Banerjee B, De Waart DR, Baj G, Chen W, Oude Elferink RP, Beuers U, Paulusma CC, Stocker R, Muro AF, Bosma PJ. Long-Term Effects of Biliverdin Reductase a Deficiency in Ugt1-/- Mice: Impact on Redox Status and Metabolism. Antioxidants (Basel) 2021; 10:antiox10122029. [PMID: 34943131 PMCID: PMC8698966 DOI: 10.3390/antiox10122029] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2021] [Revised: 12/07/2021] [Accepted: 12/15/2021] [Indexed: 11/16/2022] Open
Abstract
Accumulation of neurotoxic bilirubin due to a transient neonatal or persistent inherited deficiency of bilirubin glucuronidation activity can cause irreversible brain damage and death. Strategies to inhibit bilirubin production and prevent neurotoxicity in neonatal and adult settings seem promising. We evaluated the impact of Bvra deficiency in neonatal and aged mice, in a background of unconjugated hyperbilirubinemia, by abolishing bilirubin production. We also investigated the disposal of biliverdin during fetal development. In Ugt1−/− mice, Bvra deficiency appeared sufficient to prevent lethality and to normalize bilirubin level in adults. Although biliverdin accumulated in Bvra-deficient fetuses, both Bvra−/− and Bvra−/−Ugt1−/− pups were healthy and reached adulthood having normal liver, brain, and spleen histology, albeit with increased iron levels in the latter. During aging, both Bvra−/− and Bvra−/−Ugt1−/− mice presented normal levels of relevant hematological and metabolic parameters. Interestingly, the oxidative status in erythrocytes from 9-months-old Bvra−/− and Bvra−/−Ugt1−/− mice was significantly reduced. In addition, triglycerides levels in these 9-months-old Bvra−/− mice were significantly higher than WT controls, while Bvra−/−Ugt1−/− tested normal. The normal parameters observed in Bvra−/−Ugt1−/− mice fed chow diet indicate that Bvra inhibition to treat unconjugated hyperbilirubinemia seems safe and effective.
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Affiliation(s)
- Giulia Bortolussi
- International Centre for Genetic Engineering and Biotechnology, 34149 Trieste, Italy; (G.B.); (B.B.)
| | - Xiaoxia Shi
- Tytgat Institute for Liver and Intestinal Research, Amsterdam Gastroenterology and Metabolism, Amsterdam University Medical Centers, Location AMC, University of Amsterdam, 1105 AZ Amsterdam, The Netherlands; (X.S.); (L.t.B.); (D.R.D.W.); (R.P.O.E.); (U.B.); (C.C.P.)
- Key Laboratory of Protein Modification and Disease, School of Bioengineering, Dalian University of Technology, Dalian 116024, China
| | - Lysbeth ten Bloemendaal
- Tytgat Institute for Liver and Intestinal Research, Amsterdam Gastroenterology and Metabolism, Amsterdam University Medical Centers, Location AMC, University of Amsterdam, 1105 AZ Amsterdam, The Netherlands; (X.S.); (L.t.B.); (D.R.D.W.); (R.P.O.E.); (U.B.); (C.C.P.)
| | - Bhaswati Banerjee
- International Centre for Genetic Engineering and Biotechnology, 34149 Trieste, Italy; (G.B.); (B.B.)
| | - Dirk R. De Waart
- Tytgat Institute for Liver and Intestinal Research, Amsterdam Gastroenterology and Metabolism, Amsterdam University Medical Centers, Location AMC, University of Amsterdam, 1105 AZ Amsterdam, The Netherlands; (X.S.); (L.t.B.); (D.R.D.W.); (R.P.O.E.); (U.B.); (C.C.P.)
| | - Gabriele Baj
- Light Microscopy Imaging Center, Department of Life Sciences, University of Trieste, 34127 Trieste, Italy;
| | - Weiyu Chen
- Heart Research Institute, Sydney, NSW 2042, Australia; (W.C.); (R.S.)
| | - Ronald P. Oude Elferink
- Tytgat Institute for Liver and Intestinal Research, Amsterdam Gastroenterology and Metabolism, Amsterdam University Medical Centers, Location AMC, University of Amsterdam, 1105 AZ Amsterdam, The Netherlands; (X.S.); (L.t.B.); (D.R.D.W.); (R.P.O.E.); (U.B.); (C.C.P.)
| | - Ulrich Beuers
- Tytgat Institute for Liver and Intestinal Research, Amsterdam Gastroenterology and Metabolism, Amsterdam University Medical Centers, Location AMC, University of Amsterdam, 1105 AZ Amsterdam, The Netherlands; (X.S.); (L.t.B.); (D.R.D.W.); (R.P.O.E.); (U.B.); (C.C.P.)
| | - Coen C. Paulusma
- Tytgat Institute for Liver and Intestinal Research, Amsterdam Gastroenterology and Metabolism, Amsterdam University Medical Centers, Location AMC, University of Amsterdam, 1105 AZ Amsterdam, The Netherlands; (X.S.); (L.t.B.); (D.R.D.W.); (R.P.O.E.); (U.B.); (C.C.P.)
| | - Roland Stocker
- Heart Research Institute, Sydney, NSW 2042, Australia; (W.C.); (R.S.)
| | - Andrés F. Muro
- International Centre for Genetic Engineering and Biotechnology, 34149 Trieste, Italy; (G.B.); (B.B.)
- Correspondence: (A.F.M.); (P.J.B.); Tel.: +39-040-3757369 (A.F.M.); +31-20-566-8850 (P.J.B.)
| | - Piter J. Bosma
- Tytgat Institute for Liver and Intestinal Research, Amsterdam Gastroenterology and Metabolism, Amsterdam University Medical Centers, Location AMC, University of Amsterdam, 1105 AZ Amsterdam, The Netherlands; (X.S.); (L.t.B.); (D.R.D.W.); (R.P.O.E.); (U.B.); (C.C.P.)
- Correspondence: (A.F.M.); (P.J.B.); Tel.: +39-040-3757369 (A.F.M.); +31-20-566-8850 (P.J.B.)
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Maatouk F, Maatouk M, Houcine B, Jaffrezic N. Electrochemical Detection of 6-Thioguanine and DNA Hybridization with Oligonucleotide Biosensors by Differential Pulse Voltammetry (DPV). ANAL LETT 2021. [DOI: 10.1080/00032719.2021.1975732] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- Ferdaous Maatouk
- Laboratory of Interfaces and Advanced Materials, Faculty of Sciences, University of Monastir, Monastir, Tunisia
| | - Mouna Maatouk
- Research Unit 03/UR/07 "Autoimmunity and Allergy", Faculty of Pharmacy, University of Monastir, Monastir, Tunisia
| | - Barhoumi Houcine
- Laboratory of Interfaces and Advanced Materials, Faculty of Sciences, University of Monastir, Monastir, Tunisia
| | - Nicole Jaffrezic
- Laboratory of Analytical Sciences, Doua Villeurbanne, Lyon, France
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Guo H, Zhang H, Sheng N, Wang J, Chen J, Dai J. Perfluorooctanoic acid (PFOA) exposure induces splenic atrophy via overactivation of macrophages in male mice. JOURNAL OF HAZARDOUS MATERIALS 2021; 407:124862. [PMID: 33360190 DOI: 10.1016/j.jhazmat.2020.124862] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/05/2020] [Revised: 11/27/2020] [Accepted: 12/12/2020] [Indexed: 06/12/2023]
Abstract
Perfluorooctanoic acid (PFOA), a synthetic and widely used chemical, has aroused wide public concern due to its persistence, bioaccumulation, and potential toxicity. To investigate splenic atrophy induced by PFOA, male mice were exposed to 0, 0.4, 2, or 10 mg/kg/d PFOA for 28 d. Results demonstrated that spleen weight and relative spleen weight (RSW) decreased in the 2 and 10 mg/kg/d PFOA exposure groups. Iron levels in the spleen and serum were also reduced in all PFOA exposure groups. Weighted gene co-expression network analysis (WGCNA) of 7 043 genes highlighted enrichment in cell cycle, autoimmunity, and anemia in the spleen. In addition, changes in the levels of hemoglobin, platelets, bilirubin, and heme oxygenase-1 were consistent with anemia. The ratio of total macrophages to M1 macrophages in the spleen, phagocytic ability of macrophages, and levels of cytokines such as TNF-α, IL-1β, and IL-6 all increased, thus suggesting the occurrence of autoimmune disorder. Therefore, we concluded that overactivation of macrophages may be an important reason for splenic atrophy induced by PFOA exposure.
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Affiliation(s)
- Hua Guo
- Key Laboratory of Animal Ecology and Conservation Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Hongxia Zhang
- Key Laboratory of Animal Ecology and Conservation Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China
| | - Nan Sheng
- Key Laboratory of Animal Ecology and Conservation Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China
| | - Jinghua Wang
- Key Laboratory of Animal Ecology and Conservation Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China
| | - Jiamiao Chen
- Key Laboratory of Animal Ecology and Conservation Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China
| | - Jiayin Dai
- Key Laboratory of Animal Ecology and Conservation Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China.
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14
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Maatouk M, Abed B, Bouhlel I, Krifa M, Khlifi R, Ioannou I, Ghedira K, Ghedira LC. Heat treatment and protective potentials of luteolin-7-O-glucoside against cisplatin genotoxic and cytotoxic effects. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:13417-13427. [PMID: 32026362 DOI: 10.1007/s11356-020-07900-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/16/2019] [Accepted: 01/27/2020] [Indexed: 06/10/2023]
Abstract
Cisplatin is an effective chemotherapeutic agent that has pronounced adverse effects. Using flavonoids is currently eliciting considerable interest. During extraction and conditioning, they usually undergo several physical treatments such as heat treatment, although it is not known whether thermal treatment might influence the pharmacological effects of flavonoids such as luteolin-7-O-glucoside (L7G). This study was undertaken to explore the protective role of native and heated L7G against DNA damage and oxidative stress induced by cisplatin. Balb/c mice were administered L7G before a single intraperitoneal injection of cisplatin (10 mg/kg). Animals were sacrificed 24 h after treatment with drugs. The geno-protective role of native and heated L7G was evaluated by comet assay. In addition to monitoring the activities of antioxidant enzymes, levels of malondialdehyde and reduced glutathione were assessed in the liver, kidney, brain, and spleen tissues. The results of the present study demonstrate that both heated and native L7G, at a dose of 40 mg/kg b.w, were able to reduce the genotoxicity of cisplatin. They attenuate the oxidative stress (malondialdehyde, catalase, GPx, SOD, and GSH) and tissue damage (creatinine, IFNγ). Heat treatment did not alter the antigenotoxic effect observed for native L7G and showed similar effects to those of native L7G for all of the evaluated parameters. Our study reveals that L7G attenuates the side effects of anticancer drug and heat treatment did not alter his antigenotoxic and antioxidant the potential.
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Affiliation(s)
- Mouna Maatouk
- Faculté de Médecine Dentaire de Monastir, Unité des Substances Naturells Bioactives et Biotechnologie, Université de Monastir, Rue Avicenne, U17ES49, 5000, Monastir, Tunisia.
| | - Besma Abed
- Faculté de Médecine Dentaire de Monastir, Unité des Substances Naturells Bioactives et Biotechnologie, Université de Monastir, Rue Avicenne, U17ES49, 5000, Monastir, Tunisia
| | - Ines Bouhlel
- Faculté de Médecine Dentaire de Monastir, Unité des Substances Naturells Bioactives et Biotechnologie, Université de Monastir, Rue Avicenne, U17ES49, 5000, Monastir, Tunisia
- Institut supérieur des sciences appliquées et de technologie de Gabès, Université de Gabès, Avenue Omar Ibn El Khattab, Zrig Eddakhlania, 6029, Gabès, Tunisia
| | - Mounira Krifa
- Faculté de Médecine Dentaire de Monastir, Unité des Substances Naturells Bioactives et Biotechnologie, Université de Monastir, Rue Avicenne, U17ES49, 5000, Monastir, Tunisia
| | - Rihab Khlifi
- Faculté de Médecine Dentaire de Monastir, Unité des Substances Naturells Bioactives et Biotechnologie, Université de Monastir, Rue Avicenne, U17ES49, 5000, Monastir, Tunisia
| | - Irina Ioannou
- ENSAIA-INPL, Laboratoire d'ingénierie des Biomolécules, Université de Lorraine, Vandoeuvre-lès-, 54505, Nancy, France
| | - Kamel Ghedira
- Faculté de Médecine Dentaire de Monastir, Unité des Substances Naturells Bioactives et Biotechnologie, Université de Monastir, Rue Avicenne, U17ES49, 5000, Monastir, Tunisia
| | - Leila Chekir Ghedira
- Faculté de Médecine Dentaire de Monastir, Unité des Substances Naturells Bioactives et Biotechnologie, Université de Monastir, Rue Avicenne, U17ES49, 5000, Monastir, Tunisia
- Faculté de Médecine Dentaire de Monastir, Laboratoire de Biologie Moléculaire et Cellulaire, Université de Monastir, Monastir, Tunisia
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15
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Gano L, Pinheiro T, Matos AP, Tortosa F, Jorge TF, Gonçalves MS, Martins M, Morais TS, Valente A, Tomaz AI, Garcia MH, Marques F. Antitumour and Toxicity Evaluation of a Ru(II)-Cyclopentadienyl Complex in a Prostate Cancer Model by Imaging Tools. Anticancer Agents Med Chem 2020; 19:1262-1275. [PMID: 30887931 DOI: 10.2174/1871520619666190318152726] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2018] [Revised: 07/19/2018] [Accepted: 03/06/2019] [Indexed: 01/24/2023]
Abstract
BACKGROUND Ruthenium complexes have been extensively investigated for their prospective value as alternatives to cisplatin. Recently, we reported the in vitro anticancer properties of a family of organometallic ruthenium( II)-cyclopentadienyl complexes and have explored their mechanism of action. OBJECTIVE The purpose of this study was to evaluate the in vivo antitumour efficacy and toxicity of one of these Ru(II) compounds, [RuCp(mTPPMSNa)(2,2'-bipy)][CF3SO2] (TM85) which displayed an interesting spectrum of activity against several cancer cells. METHODS Studies to assess the antitumour activity and toxicity were performed in a metastatic prostate (PC3) mice model using ICP-MS, nuclear microscopy, elemental analysis and Transmission Electron Microscopy (TEM). RESULTS TM85 showed low systemic toxicity but no significant tumour reduction, when administered at tolerated dose (20mg/kg) over 10 days. Ru was mainly retained in the liver and less in kidneys, with low accumulation in tumour. Increased bilirubin levels, anomalous Ca and Fe concentrations in liver and mitochondria alterations were indicative of liver injury. The hepatotoxicity observed was less severe than that of cisplatin and no nephrotoxicity was found. CONCLUSION Under the experimental conditions of this study, TM85 is less toxic than cisplatin, induces similar tumour reduction and avoids the formation of metastatic foci. No renal toxicity was observed by the analysis of creatinine levels and the effective renal plasma flow by 99mTc-MAG3 clearance. Hence, it can be considered a valuable compound for further studies in the field of Ru-based anticancer drugs.
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Affiliation(s)
- Lurdes Gano
- Centro de Ciencias e Tecnologias Nucleares, Instituto Superior Técnico, Universidade de Lisboa, Estrada Nacional 10, km 139.7, 2695-066 Bobadela LRS, Lisboa, Portugal
| | - Teresa Pinheiro
- Departamento de Engenharia e Ciencias Nucleares, Instituto Superior Técnico, Universidade de Lisboa, Estrada Nacional 10, km 139.7, 2695-066 Bobadela LRS, Lisboa, Portugal
| | - António P Matos
- Centro de Investigacao Interdisciplinar Egas Moniz, Campus Universitario, Quinta da Granja, Monte de Caparica, 2829-511 Caparica, Portugal
| | - Francisco Tortosa
- Instituto de Anatomia Patologica, Faculdade de Medicina, Universidade de Lisboa, Av. Prof. Egas Moniz, 1649-028 Lisboa, Portugal.,Departamento de Medicina, Universitat Autònoma de Barcelona (UAB), Barcelona, Spain
| | - Tiago F Jorge
- Centro de Química e Bioquímica, Faculdade de Ciências, Universidade de Lisboa, Campo Grande, 1749-016 Lisboa, Portugal.,Laboratório de Metabolómica de Plantas, Instituto de Tecnologia Química e Biológica António Xavier, Universidade Nova de Lisboa (ITQB NOVA), Av. da República, 2780-157 Oeiras, Lisboa, Portugal
| | - Maria S Gonçalves
- Faculdade de Medicina Veterinaria, Universidade de Lisboa, Av. da Universidade Tecnica, Polo Universitario da Ajuda 1300-477 Lisboa, Portugal
| | - Marta Martins
- Instituto de Medicina Molecular-Joao Lobo Antunes, Faculdade de Medicina, Universidade de Lisboa, Av. Prof. Egas Moniz, 1649-028 Lisboa, Portugal
| | - Tânia S Morais
- Centro de Quimica Estrutural, Faculdade de Ciencias, Universidade de Lisboa, Campo Grande, 1749-016 Lisboa, Portugal
| | - Andreia Valente
- Centro de Quimica Estrutural, Faculdade de Ciencias, Universidade de Lisboa, Campo Grande, 1749-016 Lisboa, Portugal
| | - Ana I Tomaz
- Centro de Quimica Estrutural, Faculdade de Ciencias, Universidade de Lisboa, Campo Grande, 1749-016 Lisboa, Portugal
| | - Maria H Garcia
- Centro de Quimica Estrutural, Faculdade de Ciencias, Universidade de Lisboa, Campo Grande, 1749-016 Lisboa, Portugal
| | - Fernanda Marques
- Centro de Ciencias e Tecnologias Nucleares, Instituto Superior Técnico, Universidade de Lisboa, Estrada Nacional 10, km 139.7, 2695-066 Bobadela LRS, Lisboa, Portugal
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16
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Han Y, Igawa T, Ogino K, Nishikori A, Gion Y, Yoshino T, Sato Y. Hemosiderin deposition in lymph nodes of patients with plasma cell-type Castleman disease. J Clin Exp Hematop 2020; 60:1-6. [PMID: 32037354 PMCID: PMC7187676 DOI: 10.3960/jslrt.19037] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
Plasma cell-type Castleman disease (PCD) is a rare idiopathic atypical lymphoproliferative disorder. It is difficult to differentiate between PCD and IgG4-related disease (IgG4-RD) based on histology alone. As PCD often presents with abundant hemosiderin deposition, lymph node lesions obtained from 22 PCD patients and 12 IgG4-RD patients were analyzed using Prussian blue staining to clarify whether hemosiderin deposition is effective in distinguishing between these two diseases. The analysis disclosed that hemosiderin was more densely deposited in PCD than in IgG4-RD. The median number of Prussian blue-positive cells ± standard deviation (SD) in PCD and IgG4-RD cases was 13 ± 36 cells/3HPFs and 4 ± 8 cells/3HPFs (P = 0.034), respectively. In addition, we analyzed the relationship between hemosiderin deposition and levels of serum interleukin (IL)-6, serum C-reactive protein (CRP), and anemia-related biomarkers. We found that hemosiderin deposition was significantly correlated with the level of serum CRP (P = 0.045); however, no significant correlation was observed between hemosiderin deposition and serum IL-6 levels (P = 0.204). A non-significant positive correlation was observed between hemosiderin deposition and serum hemoglobin levels (P=0.09). Furthermore, no significant correlation was observed between hemosiderin deposition and serum iron levels (P = 0.799). In conclusion, hemosiderin deposition characteristically observed in PCD may be related to the inflammatory aggressiveness of the disease and could be used for its differential diagnosis.
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Affiliation(s)
- Yanyan Han
- Department of Pathology, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Okayama, Japan
| | - Takuro Igawa
- Department of Pathology, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Okayama, Japan
| | - Kyohei Ogino
- Department of Pathology, Fukuyama City Hospital, Fukuyama, Japan
| | - Asami Nishikori
- Division of Pathophysiology, Okayama University Graduate School of Health Sciences, Okayama, Japan
| | - Yuka Gion
- Division of Pathophysiology, Okayama University Graduate School of Health Sciences, Okayama, Japan
| | - Tadashi Yoshino
- Department of Pathology, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Okayama, Japan
| | - Yasuharu Sato
- Division of Pathophysiology, Okayama University Graduate School of Health Sciences, Okayama, Japan
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Borner T, Shaulson ED, Ghidewon MY, Barnett AB, Horn CC, Doyle RP, Grill HJ, Hayes MR, De Jonghe BC. GDF15 Induces Anorexia through Nausea and Emesis. Cell Metab 2020; 31:351-362.e5. [PMID: 31928886 PMCID: PMC7161938 DOI: 10.1016/j.cmet.2019.12.004] [Citation(s) in RCA: 125] [Impact Index Per Article: 31.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/17/2019] [Revised: 11/01/2019] [Accepted: 12/12/2019] [Indexed: 01/03/2023]
Abstract
Growth differentiation factor 15 (GDF15) is a cytokine that reduces food intake through activation of hindbrain GFRAL-RET receptors and has become a keen target of interest for anti-obesity therapies. Elevated endogenous GDF15 is associated with energy balance disturbances, cancer progression, chemotherapy-induced anorexia, and morning sickness. We hypothesized that GDF15 causes emesis and that its anorectic effects are related to this function. Here, we examined feeding and emesis and/or emetic-like behaviors in three different mammalian laboratory species to help elucidate the role of GDF15 in these behaviors. Data show that GDF15 causes emesis in Suncus murinus (musk shrews) and induces behaviors indicative of nausea/malaise (e.g., anorexia and pica) in non-emetic species, including mice and lean or obese rats. We also present data in mice suggesting that GDF15 contributes to chemotherapy-induced malaise. Together, these results indicate that GDF15 triggers anorexia through the induction of nausea and/or by engaging emetic neurocircuitry.
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Affiliation(s)
- Tito Borner
- Department of Biobehavioral Health Sciences, School of Nursing, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Evan D Shaulson
- Department of Biobehavioral Health Sciences, School of Nursing, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Misgana Y Ghidewon
- School of Arts and Sciences, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Amanda B Barnett
- Department of Biobehavioral Health Sciences, School of Nursing, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Charles C Horn
- Department of Medicine, University of Pittsburgh School of Medicine, Pittsburgh, PA 15213, USA; UPMC Hillman Cancer Center, University of Pittsburgh School of Medicine, Pittsburgh, PA 15213, USA; Center for Neuroscience, University of Pittsburgh, Pittsburgh, PA 15213, USA
| | - Robert P Doyle
- Department of Chemistry, Syracuse University, Syracuse, NY 13244, USA; Department of Medicine, Upstate Medical University, State University of New York, Syracuse, NY 13244, USA
| | - Harvey J Grill
- School of Arts and Sciences, University of Pennsylvania, Philadelphia, PA 19104, USA; Institute of Diabetes, Obesity and Metabolism, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Matthew R Hayes
- Department of Biobehavioral Health Sciences, School of Nursing, University of Pennsylvania, Philadelphia, PA 19104, USA; Department of Psychiatry, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA; Institute of Diabetes, Obesity and Metabolism, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Bart C De Jonghe
- Department of Biobehavioral Health Sciences, School of Nursing, University of Pennsylvania, Philadelphia, PA 19104, USA; Institute of Diabetes, Obesity and Metabolism, University of Pennsylvania, Philadelphia, PA 19104, USA.
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Mercantepe T, Tümkaya L, Mercantepe F. Effects of Infliximab against Methotrexate Toxicity in Splenic Tissue via the Regulation of CD3, CD68, and C200R in Rats. Cells Tissues Organs 2019; 206:308-316. [DOI: 10.1159/000500905] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2018] [Accepted: 05/13/2019] [Indexed: 11/19/2022] Open
Abstract
Methotrexate (MTX), which has been used in clinical practice for approximately 70 years, is still widely employed in the treatment of rheumatoid arthritis (RA), psoriasis, and cancer. Although MTX toxicity causes nephrotoxicity, hepatotoxicity, bone marrow suppression, pulmonary fibrosis, and gastrointestinal damage, previous studies have not addressed splenic toxicity. This is the first study to examine the effectiveness of infliximab (INF) against MTX-induced toxicity in splenic tissues via the regulation of CD3, CD68, and C200R. We investigated the effects of MTX on macrophages and T lymphocytes in the spleen at the molecular level and examined the protective potential of the tumor necrosis factor (TNF)-α antagonist INF against MTX toxicity. Three groups of rats were set up. Group 1 received saline solution only, group 2 a single dose of MTX (20 mg/kg), and group 3 INF (7 mg/kg) before administration of a single dose of MTX (20 mg/kg). All injections were given intraperitoneally. Spleen tissues were removed 5 days after MTX administration and evaluated for CD3, CD68, and CD200R using immunohistochemical staining. Finally, the mean numerical density of CD3+, CD68+, and CD200R+ cells was estimated by a histopathologist using StereoInvestigator 8. MTX increased the numerical densities of CD3+, CD68+, and CD200R+ cells (p < 0.05). We also observed that INF reduced the numerical densities of these cells following MTX administration (p < 0.05). INF may, therefore, be a promising candidate for the prevention of the deleterious effects on spleen tissue of MTX, used in the treatment of RA and cancer.
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Tellez Freitas CM, Burrell HR, Valdoz JC, Hamblin GJ, Raymond CM, Cox TD, Johnson DK, Andersen JL, Weber KS, Bridgewater LC. The nuclear variant of bone morphogenetic protein 2 (nBMP2) is expressed in macrophages and alters calcium response. Sci Rep 2019; 9:934. [PMID: 30700748 PMCID: PMC6353957 DOI: 10.1038/s41598-018-37329-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2018] [Accepted: 11/26/2018] [Indexed: 12/26/2022] Open
Abstract
We previously identified a nuclear variant of bone morphogenetic protein 2 (BMP2), named nBMP2, that is translated from an alternative start codon. Decreased nuclear localization of nBMP2 in the nBmp2NLStm mouse model leads to muscular, neurological, and immune phenotypes-all of which are consistent with aberrant intracellular calcium (Ca2+) response. Ca2+ response in these mice, however, has yet to be measured directly. Because a prior study suggested impairment of macrophage function in nBmp2NLStm mutant mice, bone marrow derived (BMD) macrophages and splenic macrophages were isolated from wild type and nBmp2NLStm mutant mice. Immunocytochemistry revealed that nuclei of both BMD and splenic macrophages from wild type mice contain nBMP2, while the protein is decreased in nuclei of nBmp2NLStm mutant macrophages. Live-cell Ca2+ imaging and engulfment assays revealed that Ca2+ response and phagocytosis in response to bacterial supernatant are similar in BMD macrophages isolated from naïve (uninfected) nBmp2NLStm mutant mice and wild type mice, but are deficient in splenic macrophages isolated from mutant mice after secondary systemic infection with Staphylococcus aureus, suggesting progressive impairment as macrophages respond to infection. This direct evidence of impaired Ca2+ handling in nBMP2 mutant macrophages supports the hypothesis that nBMP2 plays a role in Ca2+ response.
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Affiliation(s)
- Claudia M Tellez Freitas
- Department of Microbiology and Molecular Biology, Brigham Young University, Provo, Utah, United States of America
| | - Haley R Burrell
- Department of Microbiology and Molecular Biology, Brigham Young University, Provo, Utah, United States of America
| | - Jonard C Valdoz
- Department of Chemistry and Biochemistry, Brigham Young University, Provo, Utah, United States of America
| | - Garrett J Hamblin
- Department of Microbiology and Molecular Biology, Brigham Young University, Provo, Utah, United States of America
| | - Carlee M Raymond
- Department of Microbiology and Molecular Biology, Brigham Young University, Provo, Utah, United States of America
| | - Tyler D Cox
- Department of Microbiology and Molecular Biology, Brigham Young University, Provo, Utah, United States of America
| | - Deborah K Johnson
- Department of Microbiology and Molecular Biology, Brigham Young University, Provo, Utah, United States of America
| | - Joshua L Andersen
- Department of Chemistry and Biochemistry, Brigham Young University, Provo, Utah, United States of America
| | - K Scott Weber
- Department of Microbiology and Molecular Biology, Brigham Young University, Provo, Utah, United States of America
| | - Laura C Bridgewater
- Department of Microbiology and Molecular Biology, Brigham Young University, Provo, Utah, United States of America.
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20
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Muselin F, Dumitrescu E, Berbecea A, Doma AO, Brezovan D, Savici J, Trif A, Cristina RT. The effect of cisplatin administration on certain trace elements homeostasis in rats and the protective effect of silver birch (Betula pendula) sap. J Trace Elem Med Biol 2018; 50:474-481. [PMID: 29429790 DOI: 10.1016/j.jtemb.2018.02.002] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/03/2017] [Revised: 01/19/2018] [Accepted: 02/01/2018] [Indexed: 11/25/2022]
Abstract
BACKGROUND A clinically active structure with known antitumor activities is cisplatin (CDDP), but this it comes with toxicity characteristics which can be faded by the beneficial effects of Silver birch (Betula pendula) sap. OBJECTIVE We aimed to assess the cisplatin activity on: Mn, Mg, Cu, Fe and Zn homeostasis in rats and to observe the effect of birch sap. METHODS Healthy Wistar rats (n = 10/group) were divided in four groups: Control: receiving 1 mL saline I.P. way + water; E1: cisplatin 20 mg kgbw-1, I.P.; E2: cisplatin 20 mg kgbw-1, I.P. + birch sap and Control sap group: 1 mL saline I.P. + birch sap. Blood was collected: at the trial's start and after 48 h, and blood and organs (liver, kidney and spleen) for the cytoarchitecture investigation and readings were sampled after seven days. Samples were processed in nitric acid by microwave digestion and readings were completed by flame atomic absorption spectroscopy, the outcomes being statistically analyzed by ANOVA. RESULTS Cisplatin produced a significant imbalance in the trace elements homeostasis, the birch sap administration recovering them usual homeostasis status. Comparatively with the Control, rats exposed to cisplatin presented a not significant (p > 0.05) decrease of Zn (-26.74%) and Mg (-10.25%), a significant (p < 0.05) decrease of Cu (-27.73%) at 48 h, a highly significant (p < 0.01) decrease of Cu (-56.08%) and Fe (-85.35%) at seven days after administration and a not significant (p > 0.05) increase of Mn (+28.16%). Birch sap administration after Cisplatin was followed by restoration or nevertheless significant increase (p < 0.05) of the investigated trace elements Zn (+56.88% to 48 h/+89.94% after seven days), Mg (+26.86%/+95.74%), Cu (+23.13%/+74.56%), Fe (+39.64%/+440.11%) and Mn (+4.30%/+15.87%), suggesting them defence against cisplatin. Histology revealed the order of main altered organs after the CDDP exposure: kidney, spleen and liver. CONCLUSIONS The study recommended the important protective role of Betula pendula sap against diverse cisplatin deleterious side-effects.
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Affiliation(s)
- Florin Muselin
- Banat's University of Agriculture and Veterinary Medicine "King Michael I of Romania", from Timisoara (BUAVMT), Faculty of Veterinary Medicine, 119 Calea Aradului, 300645 Timisoara, Romania.
| | - Eugenia Dumitrescu
- Banat's University of Agriculture and Veterinary Medicine "King Michael I of Romania", from Timisoara (BUAVMT), Faculty of Veterinary Medicine, 119 Calea Aradului, 300645 Timisoara, Romania
| | - Adina Berbecea
- Banat's University of Agriculture and Veterinary Medicine "King Michael I of Romania", from Timisoara (BUAVMT), Faculty of Veterinary Medicine, 119 Calea Aradului, 300645 Timisoara, Romania
| | - Alexandru Octavian Doma
- Banat's University of Agriculture and Veterinary Medicine "King Michael I of Romania", from Timisoara (BUAVMT), Faculty of Veterinary Medicine, 119 Calea Aradului, 300645 Timisoara, Romania
| | - Diana Brezovan
- Banat's University of Agriculture and Veterinary Medicine "King Michael I of Romania", from Timisoara (BUAVMT), Faculty of Veterinary Medicine, 119 Calea Aradului, 300645 Timisoara, Romania
| | - Jelena Savici
- Banat's University of Agriculture and Veterinary Medicine "King Michael I of Romania", from Timisoara (BUAVMT), Faculty of Veterinary Medicine, 119 Calea Aradului, 300645 Timisoara, Romania
| | - Alexandra Trif
- Banat's University of Agriculture and Veterinary Medicine "King Michael I of Romania", from Timisoara (BUAVMT), Faculty of Veterinary Medicine, 119 Calea Aradului, 300645 Timisoara, Romania
| | - Romeo Teodor Cristina
- Banat's University of Agriculture and Veterinary Medicine "King Michael I of Romania", from Timisoara (BUAVMT), Faculty of Veterinary Medicine, 119 Calea Aradului, 300645 Timisoara, Romania.
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Bellat V, Ting R, Southard TL, Vahdat L, Molina H, Fernandez J, Aras O, Stokol T, Law B. Functional Peptide Nanofibers with Unique Tumor Targeting and Enzyme-Induced Local Retention Properties. ADVANCED FUNCTIONAL MATERIALS 2018; 28:1803969. [PMID: 30505260 PMCID: PMC6261308 DOI: 10.1002/adfm.201803969] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/09/2018] [Indexed: 05/19/2023]
Abstract
An effective tumoral delivery system should show minimal removal by the reticuloendothelial system (RES), promote tumor uptake and penetration, and minimize on-site clearance. This study reports the design and synthesis of advanced self-assembling peptide nanofiber precursor (NFP) analogues. The peptidic nature of NFP offers the design flexibility for on-demand customization with imaging agents and surface charges while maintaining a set size, allowing for real-time monitoring of kinetic and dynamic tumoral delivery by multimodal fluorescence/positron emission tomography/computed tomography (fluo/PET/CT) imaging, for formulation optimization. The optimized glutathione (GSH)-NFP displays a reduced capture by the RES as well as excellent tumor targeting and tissue invasion properties compared to naive NFP. Inside a tumor, GSH-NFP can structurally transform into ten times larger interfibril networks, serving as in situ depot that promotes weeks-long local retention. This nanofiber, which can further be designed to release the active pharmacophores within a tumor microenvironment, displays a superior therapeutic efficacy for inhibiting disease progression and improving the survival of animals bearing triple-negative breast cancer tumors compared to free drug and liposome formulation of the drug, in addition to a favorable toxicity profile.
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Affiliation(s)
- Vanessa Bellat
- Molecular Imaging Innovations Institute, Department of Radiology, Weill Cornell Medicine, 413 East 69 Street, New York, NY 10021, USA,
| | - Richard Ting
- Molecular Imaging Innovations Institute, Department of Radiology, Weill Cornell Medicine, 413 East 69 Street, New York, NY 10021, USA,
| | - Teresa L Southard
- Department of Biomedical Sciences, College of Veterinary Medicine, Cornell University, Upper Tower Road, Ithaca, New York, NY 14853, USA
| | - Linda Vahdat
- Breast Medicine, Memorial Sloan-Kettering Cancer Center, 300 East 66 Street, New York, NY 10065, USA
| | - Henrik Molina
- Proteomic Resource Center, Rockefeller University, 1230 York Avenue, New York, NY 10065, USA
| | - Joseph Fernandez
- Proteomic Resource Center, Rockefeller University, 1230 York Avenue, New York, NY 10065, USA
| | - Omer Aras
- Department of Radiology, Memorial Sloan-Kettering Cancer Center, 1275 York Avenue, New York, NY 10065, USA
| | - Tracy Stokol
- Department of Population Medicine and Diagnostic Sciences, College of Veterinary Medicine, Cornell University, Upper Tower Road, Ithaca, New York, NY 14853, USA
| | - Benedict Law
- Molecular Imaging Innovations Institute, Department of Radiology, Weill Cornell Medicine, 413 East 69 Street, New York, NY 10021, USA,
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22
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Ganot N, Briaitbard O, Gammal A, Tam J, Hochman J, Tshuva EY. In Vivo Anticancer Activity of a Nontoxic Inert Phenolato Titanium Complex: High Efficacy on Solid Tumors Alone and Combined with Platinum Drugs. ChemMedChem 2018; 13:2290-2296. [PMID: 30203598 PMCID: PMC6282713 DOI: 10.1002/cmdc.201800551] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2018] [Indexed: 11/10/2022]
Abstract
Due to the toxicity of platinum compounds used in the clinic as anticancer chemotherapies, titanium serves as a safe and attractive alternative. Lately, we introduced a new family of Ti complexes based on readily available phenolato ligands, demonstrating incredibly high hydrolytic stability, with the lead compound phenolaTi demonstrating wide cytotoxic activity toward the NCI‐60 panel of human cancer cell lines, with an average GI50 value of 4.7±2 μm. Herein, we evaluated in vivo: a) the safety, and b) the growth inhibitory capacity (efficacy) of this compound. PhenolaTi was found to be effective in vivo against colon (CT‐26) and lung (LLC‐1) murine cell lines in syngeneic hosts and toward a human colon cancer (HT‐29) cell line in immune‐deficient (Nude) mice, with an efficacy similar to that of known chemotherapy. Notably, no clinical signs of toxicity were observed in the treated mice, namely, no effect on body weight, spleen weight or kidney function, unlike the effects observed with the positive control Pt drugs. Studies of combinations of phenolaTi and Pt drugs provided evidence that similar efficacy with decreased toxicity may be achieved, which is highly valuable for medicinal applications.
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Affiliation(s)
- Nitzan Ganot
- The Institute of Chemistry, The Hebrew University of Jerusalem, Jerusalem, 9190401, Israel
| | - Ori Briaitbard
- Department of Cell and Developmental Biology, Alexander Silberman Institute of Life Sciences, The Hebrew University of Jerusalem, Jerusalem, 9190401, Israel
| | - Asaad Gammal
- Obesity and Metabolism Laboratory, The Institute for Drug Research, School of Pharmacy, Faculty of Medicine, The Hebrew University of Jerusalem, Jerusalem, 9112001, Israel
| | - Joseph Tam
- Obesity and Metabolism Laboratory, The Institute for Drug Research, School of Pharmacy, Faculty of Medicine, The Hebrew University of Jerusalem, Jerusalem, 9112001, Israel
| | - Jacob Hochman
- Department of Cell and Developmental Biology, Alexander Silberman Institute of Life Sciences, The Hebrew University of Jerusalem, Jerusalem, 9190401, Israel
| | - Edit Y Tshuva
- The Institute of Chemistry, The Hebrew University of Jerusalem, Jerusalem, 9190401, Israel
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23
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Banerjee S, Sinha K, Chowdhury S, Sil PC. Unfolding the mechanism of cisplatin induced pathophysiology in spleen and its amelioration by carnosine. Chem Biol Interact 2017; 279:159-170. [PMID: 29191451 DOI: 10.1016/j.cbi.2017.11.019] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2017] [Revised: 11/17/2017] [Accepted: 11/26/2017] [Indexed: 12/27/2022]
Abstract
cis-Diamminedichloroplatinum (cisplatin) is an effective chemotherapeutic and is widely used for the treatment of various types of solid tumors. Bio-distribution of cisplatin to other organs due to poor targeting towards only cancer cells constitutes the backbone of cisplatin-induced toxicity. The adverse effect of this drug on spleen is not well characterized so far. Therefore, we have set our goal to explore the mechanism of the cisplatin-induced pathophysiology of the spleen and would also like to evaluate whether carnosine, an endogenous neurotransmitter and antioxidant, can ameliorate this pathophysiological response. We found a dose and time-dependent increase of the pro-inflammatory cytokine, TNF-α, in the spleen tissue of the experimental mice exposed to 10 and 20 mg/kg body weight of cisplatin. The increase in inflammatory cytokine can be attributed to the activation of the transcription factor, NF-ĸB. This also aids in the transcription of other pro-inflammatory cytokines and cellular adhesion molecules. Exposure of animals to cisplatin at both the doses resulted in ROS and NO production leading to oxidative stress. The MAP Kinase pathway, especially JNK activation, was also triggered by cisplatin. Eventually, the persistence of inflammatory response and oxidative stress lead to apoptosis through extrinsic pathway. Carnosine has been found to restore the expression of inflammatory molecules and catalase to normal levels through inhibition of pro-inflammatory cytokines, oxidative stress, NF-ĸB and JNK. Carnosine also protected the splenic cells from apoptosis. Our study elucidated the detailed mechanism of cisplatin-induced spleen toxicity and use of carnosine as a protective agent against this cytotoxic response.
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Affiliation(s)
- Sharmistha Banerjee
- Division of Molecular Medicine, Bose Institute, P-1/12, CIT Scheme VII M, Kolkata 700054, India
| | - Krishnendu Sinha
- Division of Molecular Medicine, Bose Institute, P-1/12, CIT Scheme VII M, Kolkata 700054, India
| | - Sayantani Chowdhury
- Division of Molecular Medicine, Bose Institute, P-1/12, CIT Scheme VII M, Kolkata 700054, India
| | - Parames C Sil
- Division of Molecular Medicine, Bose Institute, P-1/12, CIT Scheme VII M, Kolkata 700054, India.
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24
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Yalon M, Tuval-Kochen L, Castel D, Moshe I, Mazal I, Cohen O, Avivi C, Rosenblatt K, Aviel-Ronen S, Schiby G, Yahalom J, Amariglio N, Pfeffer R, Lawrence Y, Toren A, Rechavi G, Paglin S. Overcoming Resistance of Cancer Cells to PARP-1 Inhibitors with Three Different Drug Combinations. PLoS One 2016; 11:e0155711. [PMID: 27196668 PMCID: PMC4873128 DOI: 10.1371/journal.pone.0155711] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2015] [Accepted: 05/03/2016] [Indexed: 01/08/2023] Open
Abstract
Inhibitors of poly[ADP-ribose] polymerase 1 (PARPis) show promise for treatment of cancers which lack capacity for homologous recombination repair (HRR). However, new therapeutic strategies are required in order to overcome innate and acquired resistance to these drugs and thus expand the array of cancers that could benefit from them. We show that human cancer cell lines which respond poorly to ABT-888 (a PARPi), become sensitive to it when co-treated with vorinostat (a histone deacetylase inhibitor (HDACi)). Vorinostat also sensitized PARPis insensitive cancer cell lines to 6-thioguanine (6-TG)–a drug that targets PARPis sensitive cells. The sensitizing effect of vorinostat was associated with increased phosphorylation of eukaryotic initiation factor (eIF) 2α which in and of itself increases the sensitivity of cancer cells to ABT-888. Importantly, these drug combinations did not affect survival of normal fibroblasts and breast cells, and significantly increased the inhibition of xenograft tumor growth relative to each drug alone, without affecting the mice weight or their liver and kidney function. Our results show that combination of vorinostat and ABT-888 could potentially prove useful for treatment of cancer with innate resistance to PARPis due to active HRR machinery, while the combination of vorinostat and 6-TG could potentially overcome innate or acquired resistance to PARPis due to secondary or reversal BRCA mutations, to decreased PARP-1 level or to increased expression of multiple drug resistant proteins. Importantly, drugs which increase phosphorylation of eIF2α may mimic the sensitizing effect of vorinostat on cellular response to PARPis or to 6-TG, without activating all of its downstream effectors.
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Affiliation(s)
- Michal Yalon
- Department of Pediatric Hematology-Oncology, Safra Children's Hospital, Sheba Medical Center, Ramat Gan 52621, Israel
- Cancer Research Center, Sheba Medical Center, Ramat-Gan 52621, Israel
| | - Liron Tuval-Kochen
- Cancer Research Center, Sheba Medical Center, Ramat-Gan 52621, Israel
- Sackler School of Medicine, Tel Aviv University, Tel Aviv 69978, Israel
| | - David Castel
- Neufeld Cardiac Research Institute, Sheba Medical Center, Ramat Gan 52621, Israel
| | - Itai Moshe
- Department of Pediatric Hematology-Oncology, Safra Children's Hospital, Sheba Medical Center, Ramat Gan 52621, Israel
| | - Inbal Mazal
- Cancer Research Center, Sheba Medical Center, Ramat-Gan 52621, Israel
| | - Osher Cohen
- Department of Surgery, Sheba Medical Center, Ramat-Gan 52621, Israel
| | - Camila Avivi
- Department of Pathology, Sheba Medical Center, Ramat-Gan 52621, Israel
| | | | - Sarit Aviel-Ronen
- Department of Pathology, Sheba Medical Center, Ramat-Gan 52621, Israel
| | - Ginette Schiby
- Department of Pathology, Sheba Medical Center, Ramat-Gan 52621, Israel
| | - Joachim Yahalom
- Department of Radiation Oncology, Memorial Sloan Kettering, New York 10021, United States of America
| | - Ninette Amariglio
- Cancer Research Center, Sheba Medical Center, Ramat-Gan 52621, Israel
| | - Raphael Pfeffer
- Cancer Research Center, Sheba Medical Center, Ramat-Gan 52621, Israel
| | - Yaacov Lawrence
- Cancer Research Center, Sheba Medical Center, Ramat-Gan 52621, Israel
| | - Amos Toren
- Department of Pediatric Hematology-Oncology, Safra Children's Hospital, Sheba Medical Center, Ramat Gan 52621, Israel
- Cancer Research Center, Sheba Medical Center, Ramat-Gan 52621, Israel
| | - Gideon Rechavi
- Cancer Research Center, Sheba Medical Center, Ramat-Gan 52621, Israel
| | - Shoshana Paglin
- Cancer Research Center, Sheba Medical Center, Ramat-Gan 52621, Israel
- * E-mail:
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25
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Zhang Y, Lin Y, Zhao H, Guo Q, Yan C, Lin N. Revealing the Effects of the Herbal Pair of Euphorbia kansui and Glycyrrhiza on Hepatocellular Carcinoma Ascites with Integrating Network Target Analysis and Experimental Validation. Int J Biol Sci 2016; 12:594-606. [PMID: 27143956 PMCID: PMC4852206 DOI: 10.7150/ijbs.14151] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2015] [Accepted: 02/22/2016] [Indexed: 01/12/2023] Open
Abstract
Although the herbal pair of Euphorbia kansui (GS) and Glycyrrhiza (GC) is one of the so-called "eighteen antagonistic medicaments" in Chinese medicinal literature, it is prescribed in a classic Traditional Chinese Medicine (TCM) formula Gansui-Banxia-Tang for cancerous ascites, suggesting that GS and GC may exhibit synergistic or antagonistic effects in different combination designs. Here, we modeled the effects of GS/GC combination with a target interaction network and clarified the associations between the network topologies involving the drug targets and the drug combination effects. Moreover, the "edge-betweenness" values, which is defined as the frequency with which edges are placed on the shortest paths between all pairs of modules in network, were calculated, and the ADRB1-PIK3CG interaction exhibited the greatest edge-betweenness value, suggesting its crucial role in connecting the other edges in the network. Because ADRB1 and PIK3CG were putative targets of GS and GC, respectively, and both had functional interactions with AVPR2 approved as known therapeutic target for ascites, we proposed that the ADRB1-PIK3CG-AVPR2 signal axis might be involved in the effects of the GS-GC combination on ascites. This proposal was further experimentally validated in a H22 hepatocellular carcinoma (HCC) ascites model. Collectively, this systems-level investigation integrated drug target prediction and network analysis to reveal the combination principles of the herbal pair of GS and GC. Experimental validation in an in vivo system provided convincing evidence that different combination designs of GS and GC might result in synergistic or antagonistic effects on HCC ascites that might be partially related to their regulation of the ADRB1-PIK3CG-AVPR2 signal axis.
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Affiliation(s)
- Yanqiong Zhang
- 1. Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, China
| | - Ya Lin
- 1. Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, China.; 2. College of Pharmacy, Fujian University of Traditional Chinese Medicine, Fuzhou 350122, China
| | - Haiyu Zhao
- 1. Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, China
| | - Qiuyan Guo
- 1. Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, China
| | - Chen Yan
- 1. Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, China
| | - Na Lin
- 1. Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, China
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26
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Abd El-Raouf OM, El-Sayed ESM, Manie MF. Cinnamic Acid and Cinnamaldehyde Ameliorate Cisplatin-Induced Splenotoxicity in Rats. J Biochem Mol Toxicol 2015; 29:426-431. [PMID: 26108916 DOI: 10.1002/jbt.21715] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2015] [Revised: 05/04/2015] [Accepted: 05/07/2015] [Indexed: 12/20/2022]
Abstract
Cinnamic acid (CA) and cinnamaldehyde (CD) are major constituents of cinnamon species. They possess various pharmacological properties of which their antioxidant activity is a prime one. This study aims to investigate potential protective effects against cisplatin (CP)-induced splenotoxicity in rats. A single dose of CP (5 mg/kg) injected i.p. caused a significant decrease in hemoglobin content (18%), total leucocytic count (46%), neutrophils (78%), and catalase (CAT) splenic activity (64%) with a marked increase in lymphocytes (26%) and splenic content of malondialdehyde (68%) and TNF-α (69%) as compared with the control group. Contrarily, CA (50 mg/kg, p.o.) or CD (40 mg/kg, p.o.) administration for 7 days before CP ameliorated CP-induced splenotoxicity as indicated by mitigation of the biochemical parameters and histopathological changes. These results revealed the promising protective effects of CA and CD on CP-induced splenotoxicity in rats; an effect that might be attributed to antioxidant and anti-inflammatory activities.
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Affiliation(s)
- Ola M Abd El-Raouf
- Pharmacolgy Department, National Organization for Drug Control and Research, NODCAR, Cairo, Egypt
| | - El-Sayed M El-Sayed
- Pharmacolgy & Toxicology Department, Faculty of Pharmacy, Al-Azhar University, Nasr-City, Cairo, Egypt
| | - Mohamed F Manie
- Pharmacolgy Department, National Organization for Drug Control and Research, NODCAR, Cairo, Egypt
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Zakaryan H, Cholakyans V, Simonyan L, Misakyan A, Karalova E, Chavushyan A, Karalyan Z. A study of lymphoid organs and serum proinflammatory cytokines in pigs infected with African swine fever virus genotype II. Arch Virol 2015; 160:1407-14. [PMID: 25797197 DOI: 10.1007/s00705-015-2401-7] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2014] [Accepted: 03/15/2015] [Indexed: 11/30/2022]
Abstract
African swine fever virus (ASFV), the causative agent of one of the most important viral diseases of domestic pigs for which no vaccine is available, causes immune system disorders in infected animals. In this study, the serum levels of proinflammatory cytokines, as well as the histological and cellular constitution of lymphoid organs of pigs infected with ASFV genotype II were investigated. The results showed a high degree of lymphocyte depletion in the lymphoid organs, particularly in the spleen and lymph nodes, where ASFV infection led to a twofold decrease in the number of lymphocytes on the final day of infection. Additionally, ASFV-infected pigs had atypical forms of lymphocytes found in all lymphoid organs. In contrast to lymphocytes, the number of immature immune cells, particularly myelocytes, increased dramatically and reached a maximum on day 7 postinfection. The serum levels of TNF-α, IL-1β, IL-6, and IL-8 were evaluated. Proinflammatory cytokines showed increased levels after ASFV infection, with peak values at 7 days postinfection, and this highlights their role in the pathogenesis of ASFV. In conclusion, this study showed that ASFV genotype II, like other highly virulent strains, causes severe pathological changes in the immune system of pigs.
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Affiliation(s)
- Hovakim Zakaryan
- Laboratory of Cell Biology and Virology, Institute of Molecular Biology of NAS RA, 0014, Yerevan, Armenia
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Raoofi A, Khazaei M, Ghanbari A. Protective effect of hydroalcoholic extract of tribulus terrestris on Cisplatin induced renal tissue damage in male mice. Int J Prev Med 2015; 6:11. [PMID: 25789143 PMCID: PMC4362283 DOI: 10.4103/2008-7802.151817] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2014] [Accepted: 12/15/2014] [Indexed: 11/19/2022] Open
Abstract
Background: According beneficial effects of Tribulus terrestris (TT) extract on tissue damage, the present study investigated the influence of hydroalcoholic extract of TT plant on cisplatin (CIS) (EBEWE Pharma, Unterach, Austria) induced renal tissue damage in male mice. Methods: Thirty mice were divided into five groups (n = 6). The first group (control) was treated with normal saline (0.9% NaCl) and experimental groups with CIS (E1), CIS + 100 mg/kg extract of TT (E2), CIS + 300 mg/kg extract of TT (E3), CIS + 500 mg/kg extract of TT (E4) intraperitoneally. The kidneys were removed after 4 days of injections, and histological evaluations were performed. Results: The data were analyzed using one-way analysis of variance followed by Tukey's post-hoc test, paired-sample t-test, Kruskal–Wallis and Mann–Whitney tests. In the CIS treated group, the whole kidney tissue showed an increased dilatation of Bowman's capsule, medullar congestion, and dilatation of collecting tubules and a decreased in the body weight and kidney weight. These parameters reached to the normal range after administration of fruit extracts of TT for 4 days. Conclusions: The results suggested that the oral administration of TT fruit extract at dose 100, 300 and 500 mg/kg body weight provided protection against the CIS induced toxicity in the mice.
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Affiliation(s)
- Amir Raoofi
- Fertility and Infertility Research Center, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Mozafar Khazaei
- Fertility and Infertility Research Center, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Ali Ghanbari
- Fertility and Infertility Research Center, Kermanshah University of Medical Sciences, Kermanshah, Iran
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Cortés R, Tarrado-Castellarnau M, Talancón D, López C, Link W, Ruiz D, Centelles JJ, Quirante J, Cascante M. A novel cyclometallated Pt(ii)–ferrocene complex induces nuclear FOXO3a localization and apoptosis and synergizes with cisplatin to inhibit lung cancer cell proliferation. Metallomics 2014; 6:622-33. [DOI: 10.1039/c3mt00194f] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
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30
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Belsa L, López C, González A, Font-Bardı́a M, Calvet T, Calvis C, Messeguer R. Neutral and Ionic Cycloruthenated 2-Phenylindoles as Cytotoxic Agents. Organometallics 2013. [DOI: 10.1021/om400941b] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Affiliation(s)
- Lluís Belsa
- Departament de Quı́mica
Inorgànica,
Facultat de Quı́mica, Universitat de Barcelona, Martí
i Franquès 1-11, E-08028 Barcelona, Spain
| | - Concepción López
- Departament de Quı́mica
Inorgànica,
Facultat de Quı́mica, Universitat de Barcelona, Martí
i Franquès 1-11, E-08028 Barcelona, Spain
| | - Asensio González
- Laboratori de Quı́mica Orgànica,
Facultat de Farmàcia, Universitat de Barcelona, Pl. Pius
XII s/n, E-08028 Barcelona, Spain
| | - Mercè Font-Bardı́a
- Unitat
de Difracció de Raig-X, Centre Científic i Tecnològic de la Universitat de Barcelona, Solé i Sabarı́s 1-3, E-08028 Barcelona, Spain
| | - Teresa Calvet
- Departament de Crystal·lografı́a,
Mineralogia i Dipòsits Minerals, Facultat de Geologı́a, Universitat de Barcelona, Martı́ i Franquès s/n, E-08028 Barcelona, Spain
| | - Carmen Calvis
- Biomed Division, LEITAT Tecnological Center, Parc Científic de Barcelona, Edifici Hèlix, Baldiri Reixach
15-21, E-08028 Barcelona, Spain
| | - Ramon Messeguer
- Biomed Division, LEITAT Tecnological Center, Parc Científic de Barcelona, Edifici Hèlix, Baldiri Reixach
15-21, E-08028 Barcelona, Spain
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31
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Abstract
The proliferative capability of many invasive pathogens is limited by the bioavailability of iron. Pathogens have thus developed strategies to obtain iron from their host organisms. In turn, host defense strategies have evolved to sequester iron from invasive pathogens. This review explores the mechanisms employed by bacterial pathogens to gain access to host iron sources, the role of iron in bacterial virulence, and iron-related genes required for the establishment or maintenance of infection. Host defenses to limit iron availability for bacterial growth during the acute-phase response and the consequences of iron overload conditions on susceptibility to bacterial infection are also examined. The evidence summarized herein demonstrates the importance of iron bioavailability in influencing the risk of infection and the ability of the host to clear the pathogen.
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32
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Meng J, Xing J, Ma X, Cao W, Lu J, Wang Y, Gao X, Sun B, Liang X, Zhao Y. Metallofullerol nanoparticles with low toxicity inhibit tumor growth by induction of G0/G1 arrest. Nanomedicine (Lond) 2012; 8:203-13. [PMID: 22934979 DOI: 10.2217/nnm.12.95] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023] Open
Abstract
AIMS [Gd@C(82)(OH)(22)](n) is a new type of nanoparticle with potent antineoplastic activity and low toxicity compared with traditional drugs. In this study, we explored, for the first time, the effect of [Gd@C(82)(OH)(22)](n) on the cell cycle using human breast cancer MCF-7 and human umbilical vein endothelial ECV304 cell lines by flow cytometry. METHODS Cell viability was assessed through CCK-8 assay, and MCF-7 tumor-bearing mice were examined after 2 weeks of treatment with [Gd@C(82)(OH)(22)](n). Cell cycle-related gene expression was detected by microarray and confirmed by real-time PCR and RNAi. RESULTS Cell viability studies confirmed that [Gd@C(82)(OH)(22)](n) inhibits breast cancer effectively with very low toxicity. Flow cytometric data and microarray results reveal that [Gd@C(82)(OH)(22)](n) mediates G0/G1 arrest in both cell lines by regulating the expression of several genes, such as cyclin D2, cyclin E and CDK4, among others, in the related cell cycle. CONCLUSION Results further demonstrated that [Gd@C(82)(OH)(22)](n) could inhibit tumor growth by inducing tumor cell and vein endothelial cell G0/G1 arrest, which may explain the low toxicity of [Gd@C(82)(OH)(22)](n).
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Affiliation(s)
- Jie Meng
- CAS Key Laboratory for Biomedical Effects of Nanomaterials & Nanosafety, National Center for Nanoscience & Technology of China, Beijing 100190, China
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A high-fat diet associated with acute schistosomiasis mansoni causes disorganization in splenic architecture in mice. Exp Parasitol 2012; 132:193-9. [PMID: 22781278 DOI: 10.1016/j.exppara.2012.06.015] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2012] [Revised: 06/26/2012] [Accepted: 06/29/2012] [Indexed: 11/22/2022]
Abstract
To date, the effect of the changes promoted by hypercholesterolemia and experimental schistosomiasis infection on splenic architecture has remained elusive. In this paper, we compared spleen from control and infected mice fed either high-fat (29% lipids) or standard diet (12% lipids), assessing spleen volume by liquid displacement and splenic disorganization by histopathology, morphometry and stereology. Infected mice showed higher spleen volume than in corresponding uninfected mice (P<0.05). The white pulp compartment was reduced, red pulp and germinal center were enhanced (P<0.01). Microscopic examination showed cellular infiltrates characterized by polymorfonuclear cells, with intensive lymphocytic mitosis and Mott cells. Hemosiderin deposits tended to be in less extent in infected mice compared with uninfected controls. The red pulp compartment showed a significantly (P<0.05) increased average number of megakaryocytes compared with uninfected mice, which may be associated with hematopoietic reconstitution. High-fat fed mice showed larger white pulp than controls (P<0.05). Standard fed mice showed exudative-productive granuloma distributed only sparsely in the red pulp, whereas a tissue reaction characterized by a cell infiltration in high-fat fed mice was found. The results of the present study suggest that there is a significant relationship between high-fat diet intake and splenic disorganization such as a decrease in the numerical density of white pulp and, red pulp and germinal center hyperplasia. Such structural disorganization due to co-morbidites (schistosomiasis and dyslipidemia) may affect the microenvironments of the spleen that are necessary for the generation of immune responses to antigens.
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Meng J, Xing J, Wang Y, Lu J, Zhao Y, Gao X, Wang PC, Jia L, Liang X. Epigenetic modulation of human breast cancer by metallofullerenol nanoparticles: in vivo treatment and in vitro analysis. NANOSCALE 2011; 3:4713-4719. [PMID: 21971916 DOI: 10.1039/c1nr10898k] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
Multi-hydroxylated endohedral metallofullerenol [Gd@C(82)(OH)(22)](n) nanoparticles possess the general physico-chemical characteristics of most nanoparticles. They also exhibit uniquely low toxicity and antineoplastic efficacy. In the current study, the molecular mechanisms and epigenetic characteristics of the antineoplastic action of these nanoparticles are explored. Human breast cancer MCF-7 and human umbilical vein endothelial ECV304 cell lines were used. Cell viability assay, cell hierarchical cluster analysis by cDNA microarray, semi-quantitative reverse transcription-polymerase chain reaction and Western blot analysis were conducted to investigate the changes in molecular and cellular signaling pathways caused by [Gd@C(82)(OH)(22)](n). The results demonstrated the high antitumor activity and low cytotoxicity of [Gd@C(82)(OH)(22)](n) nanoparticles both in vivo and in vitro. Their possible anti-tumor mechanisms were also discussed. The present study may provide new insight into the mechanism of action of these nanoparticles.
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Affiliation(s)
- Jie Meng
- Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, National Center for Nanosciences and Technology of China, Beijing, 100190, China
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